Light and Color Experiments: Physics of Primary & Secondary Colors

What are the three primary colors of light and why are they different from the three primary colors of pigment? Why do objects appear the color they are? How would they appear different if the light illuminating them wasn't white, but instead a color. the color of an object depend on the light around it? 

 

Questions Answered:

What color does blue object appear in blue light? 

What color does blue object appear in white light? 

What color does blue object appear in red light?

What color does blue object appear in cyan light?

 

Topics Addressed:

How our eyes see color 

Why objects are the color they are

 

Learn to use scientific equipment:

Colored filters

 

Materials Needed

Colored filters and papers (from a scientific supply house), digital camera (on phone, tablet, etc.)

 

Preparation Time

order materials

 

NOTE: This activity is part of the Light, Optics, & Color Unit found here.

Light and Color Experiments: Physics of Primary & Secondary Colors

$3.00Price

    Answer Keys and Teacher Notes address most questions and issues that might arise in this study—you shouldn’t have to do any outside research unless you want to.

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